[ofa-general] [PATCH] cxgb3: Propigate HW Page Size Capabilities

[Jon Mason]

cxgb3 does not currently report the page size capabilities, and
incorrectly reports them internally (due to a lack of shifting).
This patch fixes this.

Thanks,
Jon

Signed-Off-By: Jon Mason <jon at opengridcomputing.com>

diff --git a/drivers/infiniband/hw/cxgb3/cxio_hal.h b/drivers/infiniband/hw/cxgb3/cxio_hal.h
index 25a8806..f2af9cd 100644
--- a/drivers/infiniband/hw/cxgb3/cxio_hal.h
+++ b/drivers/infiniband/hw/cxgb3/cxio_hal.h
@@ -54,6 +54,7 @@
 #define T3_MAX_RQ_SIZE 1024
 #define T3_MAX_NUM_STAG (1<<15)
 #define T3_MAX_MR_SIZE 0x100000000ULL
+#define T3_PAGESIZE_MASK (0x7fff << 12)  /* 4KB-128MB */
 
 #define T3_STAG_UNSET 0xffffffff
 
diff --git a/drivers/infiniband/hw/cxgb3/iwch.c b/drivers/infiniband/hw/cxgb3/iwch.c
index 71554ea..04b2f57 100644
--- a/drivers/infiniband/hw/cxgb3/iwch.c
+++ b/drivers/infiniband/hw/cxgb3/iwch.c
@@ -82,7 +82,7 @@ static void rnic_init(struct iwch_dev *rnicp)
 	rnicp->attr.max_mem_regs = cxio_num_stags(&rnicp->rdev);
 	rnicp->attr.max_phys_buf_entries = T3_MAX_PBL_SIZE;
 	rnicp->attr.max_pds = T3_MAX_NUM_PD - 1;
-	rnicp->attr.mem_pgsizes_bitmask = 0x7FFF;	/* 4KB-128MB */
+	rnicp->attr.mem_pgsizes_bitmask = T3_PAGESIZE_MASK;
 	rnicp->attr.max_mr_size = T3_MAX_MR_SIZE;
 	rnicp->attr.can_resize_wq = 0;
 	rnicp->attr.max_rdma_reads_per_qp = 8;
diff --git a/drivers/infiniband/hw/cxgb3/iwch_provider.c b/drivers/infiniband/hw/cxgb3/iwch_provider.c
index dfc4d1e..264007e 100644
--- a/drivers/infiniband/hw/cxgb3/iwch_provider.c
+++ b/drivers/infiniband/hw/cxgb3/iwch_provider.c
@@ -1103,6 +1103,7 @@ static int iwch_query_device(struct ib_device *ibdev,
 	memset(props, 0, sizeof *props);
 	memcpy(&props->sys_image_guid, dev->rdev.t3cdev_p->lldev->dev_addr, 6);
 	props->device_cap_flags = dev->device_cap_flags;
+	props->page_size_cap = dev->attr.mem_pgsizes_bitmask;
 	props->vendor_id = (u32)dev->rdev.rnic_info.pdev->vendor;
 	props->vendor_part_id = (u32)dev->rdev.rnic_info.pdev->device;
 	props->max_mr_size = dev->attr.max_mr_size;